1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1.1
1.1
1.1
1.5
1.5
1.7
1.7
1.7
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2